/**
 * Copyright (C) 2013 DaiKit.com - daikit-commons module (admin@daikit.com)
 *
 *         Project home : http://code.daikit.com/commons
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.daikit.commons.shared.utils;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;


/**
 * Utils for {@link Collection}
 * 
 * @author tcaselli
 * @version $Revision$ Last modifier: $Author$ Last commit: $Date$
 */
public class DkCollectionUtils
{

	/**
	 * Construct a new {@link HashSet} from given objects
	 * 
	 * @param objects
	 * @return a {@link Set}
	 */
	public static final <T> Set<T> asSet(@SuppressWarnings("unchecked") final T... objects)
	{
		final Set<T> set = new HashSet<T>();
		if (objects != null)
		{
			for (final T t : objects)
			{
				set.add(t);
			}
		}
		return set;
	}

	/**
	 * Construct a new {@link HashSet} from given {@link Collection} of objects
	 * 
	 * @param objects
	 * @return a {@link Set}
	 */
	public static final <T> Set<T> asSet(final Collection<T> objects)
	{
		final Set<T> set = new HashSet<T>();
		if (objects != null)
		{
			for (final T t : objects)
			{
				set.add(t);
			}
		}
		return set;
	}

	/**
	 * Construct a new {@link ArrayList} from given objects
	 * 
	 * @param objects
	 * @return a {@link List}
	 */
	public static final <T> List<T> asList(@SuppressWarnings("unchecked") final T... objects)
	{
		final List<T> set = new ArrayList<T>();
		if (objects != null)
		{
			for (final T t : objects)
			{
				set.add(t);
			}
		}
		return set;
	}

	/**
	 * Construct a new {@link ArrayList} from given {@link Collection} of objects
	 * 
	 * @param objects
	 * @return a {@link List}
	 */
	public static final <T> List<T> asList(final Collection<T> objects)
	{
		final List<T> set = new ArrayList<T>();
		if (objects != null)
		{
			for (final T t : objects)
			{
				set.add(t);
			}
		}
		return set;
	}

}
